﻿<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        .wrap {
            width: 410px;
            margin: 100px auto 0;
        }

        table {
            border-collapse: collapse;
            border-spacing: 0;
            border: 1px solid #c0c0c0;
        }

        th,
        td {
            border: 1px solid #d0d0d0;
            color: #404060;
            padding: 10px;
        }

        th {
            background-color: #09c;
            font: bold 16px "微软雅黑";
            color: #fff;
        }

        td {
            font: 14px "微软雅黑";
        }

        td a.get {
            text-decoration: none;
        }

        a.del:hover {
            text-decoration: underline;
        }

        tbody tr {
            background-color: #f0f0f0;
        }

        tbody tr:hover {
            cursor: pointer;
            background-color: #fafafa;
        }

        .btnAdd {
            width: 110px;
            height: 30px;
            font-size: 20px;
            font-weight: bold;
        }

        .form-item {
            height: 100%;
            position: relative;
            padding-left: 100px;
            padding-right: 20px;
            margin-bottom: 34px;
            line-height: 36px;
        }

        .form-item > .lb {
            position: absolute;
            left: 0;
            top: 0;
            display: block;
            width: 100px;
            text-align: right;
        }

        .form-item > .txt {
            width: 300px;
            height: 32px;
        }

        .mask {
            position: absolute;
            top: 0px;
            left: 0px;
            width: 100%;
            height: 100%;
            background: #000;
            opacity: 0.6;
            display: none;
        }

        #j_hideFormAdd {
            width: 22px;
            height: 22px;
            cursor: pointer;
            text-align: center;
            line-height: 22px;
            font-size: 18px;
        }
        #j_hideFormAdd:hover {
            background-color: skyblue;
        }
        .form-add {
            position: fixed;
            top: 30%;
            left: 50%;
            margin-left: -197px;
            padding-bottom: 20px;
            background: #fff;
            display: none;
        }

        .form-add-title {
            background-color: #f7f7f7;
            border-width: 1px 1px 0 1px;
            border-bottom: 0;
            margin-bottom: 15px;
            position: relative;
        }

        .form-add-title span {
            width: auto;
            height: 18px;
            font-size: 16px;
            font-family: 宋体;
            font-weight: bold;
            color: rgb(102, 102, 102);
            text-indent: 12px;
            padding: 8px 0px 10px;
            margin-right: 10px;
            display: block;
            overflow: hidden;
            text-align: left;
        }

        .form-add-title div {
            width: 16px;
            height: 20px;
            position: absolute;
            right: 10px;
            top: 6px;
            font-size: 30px;
            line-height: 16px;
            cursor: pointer;
        }

        .form-submit {
            text-align: center;
        }

        .form-submit input {
            width: 170px;
            height: 32px;
        }
    </style>

</head>
<body>
    <!--按钮和表单-->
    <div class="wrap">
        <div>
            <input type="button" value="添加数据" id="j_btnAddData" class="btnAdd"/>
        </div>
        <table>
            <thead>
            <tr>
                <th>课程名称</th>
                <th>所属学院</th>
                <th>已学会</th>
            </tr>
            </thead>
            <tbody id="j_tb">
            <tr>
                <td>JavaScript</td>
                <td>传智播客-前端与移动开发学院</td>
                <td><a href="javascrip:;" class="get">delete</a></td>
            </tr>
            <tr>
                <td>css</td>
                <td>传智播客-前端与移动开发学院</td>
                <td><a href="javascrip:;" class="get">delete</a></td>
            </tr>
            <tr>
                <td>html</td>
                <td>传智播客-前端与移动开发学院</td>
                <td><a href="javascrip:;" class="get">delete</a></td>
            </tr>
            <tr>
                <td>jQuery</td>
                <td>传智播客-前端与移动开发学院</td>
                <td><a href="javascrip:;" class="get">delete</a></td>
            </tr>
            </tbody>
        </table>
    </div>
    <!--遮罩层-->
    <div id="j_mask" class="mask"></div>
    <!--添加数据的表单-->
    <div id="j_formAdd" class="form-add">
        <div class="form-add-title">
            <span>添加数据</span>

            <div id="j_hideFormAdd">×</div>
        </div>
        <div class="form-item">
            <label class="lb" for="j_txtLesson">课程名称：</label>
            <input class="txt" type="text" id="j_txtLesson" placeholder="请输入课程名称">
        </div>
        <div class="form-item">
            <label class="lb" for="j_txtBelSch">所属学院：</label>
            <input class="txt" type="text" id="j_txtBelSch" value="传智播客-前端与移动开发学院">
        </div>
        <div class="form-submit">
            <input type="button" value="添加" id="j_btnAdd">
        </div>
    </div>
</body>
</html>

<script src="jquery-1.12.4.js"></script>
<script>
    $(function () {
        //需求1:点击 添加数据 按钮,显示添加面板和遮罩层.
        //需求2:点击添加面板里的关闭按钮,隐藏添加面板和遮罩层.
        //需求3:点击添加面板里的添加按钮,会把输入的内容生成一个tr,这个tr添加到tbody中
        //需求4:点击delete这些a标签,删除对应的tr.


        //需求1:
        $('#j_btnAddData').click(function () {
            $('#j_formAdd').show();
            $('#j_mask').show();
        });

        //需求2:
        $('#j_hideFormAdd').click(function () {
            $('#j_formAdd').hide();
            $('#j_mask').hide();
        });

        //需求3:
        $('#j_btnAdd').click(function () {
            //3.1 获取到用户输入的所属学院和课程名称.
            var txtLesson = $('#j_txtLesson').val(); //获取用户输入的课程名称
            var txtBelSch = $('#j_txtBelSch').val(); //获取用户输入的所属学院
            //3.2 把用户输入的课程名称和所属学院 ,创建出一个tr.
            var $trNew =$( '<tr>' +
                            '<td>'+txtLesson+'</td>'+
                            '<td>'+txtBelSch+'</td>' +
                            '<td><a href="javascrip:;" class="get">delete</a></td>' +
                         '</tr>' );

            //给新创建的这个$trNew里面的a标签添加一个事件.
            $trNew.find('.get').click(function () {
                //$(this).parent().parent().remove();
                $trNew.remove();
            });

            //3.3 把新创建的tr标签添加到tbody中.
            $('#j_tb').append($trNew);
            //3.4 把添加数据面板和遮罩层影藏起来.
            $('#j_hideFormAdd').click();
        });


        //4.需求
        $('#j_tb .get').click(function () {
            $(this).parent().parent().remove();
        });


        //页面出现了哈哈二字,说明上面的代码,包括需求4这个注册事件,都已经完成了.
        //说明原来的那4个tr已经注册了事件了.
        console.log("哈哈");


    });
</script>
